diff --git a/html/package.json b/html/package.json
index 24e4b8d..8dc3b43 100644
--- a/html/package.json
+++ b/html/package.json
@@ -65,7 +65,7 @@
     "backoff": "^2.5.0",
     "decko": "^1.2.0",
     "file-saver": "^2.0.5",
-    "preact": "^10.5.8",
+    "preact": "^10.5.9",
     "whatwg-fetch": "^3.5.0",
     "xterm": "^4.9.0",
     "xterm-addon-fit": "^0.4.0",
diff --git a/html/yarn.lock b/html/yarn.lock
index cb7767c..fa3278b 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -6316,10 +6316,10 @@ postcss@^8.1.4:
     nanoid "^3.1.20"
     source-map "^0.6.1"
 
-preact@^10.5.8:
-  version "10.5.8"
-  resolved "https://registry.yarnpkg.com/preact/-/preact-10.5.8.tgz#96e71e2caadf60b5ff901f0e4772a46ba0756336"
-  integrity sha512-8d0FfBX3O0ay34i15mTckXicSsvaQLemPUByXTyfQUxDeFqZhbtnftVZMNqX3zEJLHcy1bqRu9t+V4GqJtG1TQ==
+preact@^10.5.9:
+  version "10.5.9"
+  resolved "https://registry.yarnpkg.com/preact/-/preact-10.5.9.tgz#8caba9288b4db1d593be2317467f8735e43cda0b"
+  integrity sha512-X4m+4VMVINl/JFQKALOCwa3p8vhMAhBvle0hJ/W44w/WWfNb2TA7RNicDV3K2dNVs57f61GviEnVLiwN+fxiIg==
 
 precond@0.2:
   version "0.2.3"